Mothers at the event believe that the gathering can go a long way to changing the shaming of women who breast-feed publicly.

"Who we are hoping we are affecting with these kinds of public events are the people who are not breast-feeding yet," one woman says. "The people who haven't given birth yet right. We want to normalize breast-feeding."

Adams says he has opened a lactation room at Borough Hall, and has introduced legislation passed by the City Council that will allow municipal agencies to provide services to make lactation rooms available to the public.